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Definition of: ptomaine
(tō′mān, tō·mān′) noun Biochem.
Any of a class of basic organic chemical compounds derived from decomposing or putrefying animal or vegetable protein. They bear some resemblance to the alkaloids, and some of them are poisonous. Also pto′main. [<Ital. ptomaina <Gk. ptōma a corpse]
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